Primordial two-component maximally symmetric inflation

Details Primordial two-component maximally symmetric inflation Primordial two-component maximally symmetric inflation

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985nuphb.262..538e&link_type=abstract

Nuclear Physics B, Volume 262, Issue 3, p. 538-555.

Physics

Nuclear Physics

9

Scientific paper

We propose a two-component inflation model, based on maximally symmetric supergravity, where the scales of reheating and the inflation potential at the origin are decoupled. This is possible because of the second-order phase transition from SU(5) to SU(3)×SU(2)×U(1) that takes place when φ≅φc<φ0, when φ0≅O(M) is the value of the inflation at the global minimum, and leads to a reheating temperature TR≅(1015-1016) GeV. This makes it possible to generate baryon asymmetry in the conventional way without any conflict with experimental data on proton lifetime. The mass of the gravitinos is m3/2≅1012 GeV, thus avoiding the gravitino problem. Monopoles are diluted by residual inflation in the broken phase below the cosmological bounds if φc<~0.3M.
Address after 1 October: University of California, LBL, Berkeley, Ca, USA.

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